A liturgy expert explains that until the 12th century local bishops made decisions on Catholic liturgical practices even though the Catholic Mass was celebrated in Latin until 1970. How did that change?

Pope Francis at the end of a canonization ceremony for Mother Teresa.
Alessandra Tarantino/APJuly 31, 2017

A scholar explains the long process to sainthood and what Pope Francis' recent order might change.

Archbishop of Granada Francisco Javier Martinez and priests prostrate in front of the altar to seek pardon for sexual abuse in the Church at the cathedral in Granada, southern Spain, Nov. 23, 2014.
Pepe Marin/ReutersJuly 13, 2017

In late November, the Vatican confirmed that Pope Francis is going to visit the United States of America for the World Meeting of Families that will take place in Philadelphia at the end of September 2015…